OUT OF THIS WORLD: Alien signals were detected, the researchers claimed

Researchers Ermanno F. Borra and Eric Trottier have lifted the lid on the bizarre signals from distant stars being sent to Earth using a mathematical tool.

The duo claim our planet has received 234 alien signals – from 2.5 million readings detected by the Sloan Digital Sky Survey, an eight-foot diameter telescope in Sunspot, New Mexico.

It is believed if lifeforms from outer space flashed lasers, bursts of radiation would be spotted in the light coming from the host stars.

The pair, from Laval University in Quebec, have said the most likely explanation is aliens – after ruling out other alternatives.

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EXPOSED: The duo have ruled out other natural explanations

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“We find that the detected signals have exactly the same shape of an Extraterrestrial Intelligence signal”

Ermanno F. Borra and Eric Trottier

They wrote in a report published on the preprint site arXiv: "The signals cannot be caused by instrumental or data analysis effects because they are present in only a very small fraction of stars within a narrow spectral range.

"Because signal to noise ration considerations predict that the signal should mostly be detected in the brightest objects, while this is not the case.

"We consider several possibilities, such as rotational transitions in molecules, rapid pulsations and signals generated by Extraterrestrial Intelligence (ETI).

"We find that the detected signals have exactly the same shape of an ETI signal predicted in the previous publications and are therefore in agreement with this hypothesis.

"The fact that they are only found in a very small fraction of stars within a narrow spectral range centred near the spectral type of the sun is also in agreement with the ETI hypothesis."

But not everyone is so sure.

The SETI Institute's Breakthrough Listen project – backed by billionaires Yuri Milner and Mark Zuckerberg and famed physicist Stephen Hawking – said it was too early to say it's the work of aliens.

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"It is too early to unequivocally attribute these purported signals to the activities of extraterrestrial civilisations," the statement said.

"Internationally agreed-upon protocols for searches for evidence of advanced life beyond Earth (SETI) require candidates to be confirmed by independent groups using their own telescopes, and for all natural explanations to be exhausted before invoking extraterrestrial agents as an explanation."

But the project at UC Berkeley praised the research as "certainly worthy of additional study".